Home / 152,207.29-228,312.47-67,971.72

Finding the Fourth Proportional to 152,207.29, 228,312.47 and 67,971.72

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Solution

The fourth proportional to 152,207.29, 228,312.47 and 67,971.72 is: 101,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,207.29 : 228,312.47 = 67,971.72 : x
  2. Step 2: Convert to fraction form
    152,207.29/228,312.47 = 67,971.72/x
  3. Step 3: Cross multiply
    152,207.29x = 228,312.47 × 67,971.72
  4. Step 4: Simplify right side
    152,207.29x = 15,518,790,943.49
  5. Step 5: Solve for x
    x = 15,518,790,943.49/152,207.29
  6. Step 6: Final answer
    x = 101,958.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.